override overly strict max protocol in 3.0 upgrade test

patch by Adam Holmberg; reviewed by David Capwell, Sam Tunnicliffe for CASSANDRA-16354
diff --git a/upgrade_crc_check_chance_test.py b/upgrade_crc_check_chance_test.py
index 46c0fdf..74b7584 100644
--- a/upgrade_crc_check_chance_test.py
+++ b/upgrade_crc_check_chance_test.py
@@ -137,7 +137,7 @@
         logger.debug('Starting {node} on new version ({tag})'.format(**format_args))
         # Setup log4j / logback again (necessary moving from 2.0 -> 2.1):
         node.set_log_level("INFO")
-        node.start(wait_for_binary_proto=True)
+        node.start(wait_for_binary_proto=True, jvm_args=['-Dcassandra.disable_max_protocol_auto_override=true'])
 
         logger.debug('Running upgradesstables')
         node.nodetool('upgradesstables -a')